Home | History | Annotate | Line # | Download | only in ic
pckbcvar.h revision 1.8 
      1 /* $NetBSD: pckbcvar.h,v 1.8 2004/03/13 23:03:43 bjh21 Exp $ */
      2 
      3 /*
      4  * Copyright (c) 1998
      5  *	Matthias Drochner.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed for the NetBSD Project
     18  *	by Matthias Drochner.
     19  * 4. The name of the author may not be used to endorse or promote products
     20  *    derived from this software without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  *
     33  */
     34 
     35 #ifndef _DEV_IC_PCKBCVAR_H_
     36 #define _DEV_IC_PCKBCVAR_H_
     37 
     38 #include <sys/callout.h>
     39 
     40 #include <dev/pckbport/pckbportvar.h>
     41 
     42 #include "rnd.h"
     43 #if NRND > 0
     44 #include <sys/rnd.h>
     45 #endif
     46 
     47 typedef void *pckbc_tag_t;
     48 typedef int pckbc_slot_t;
     49 #define	PCKBC_KBD_SLOT	0
     50 #define	PCKBC_AUX_SLOT	1
     51 #define	PCKBC_NSLOTS	2
     52 
     53 /* Simple cmd/slot ringbuffer structure */
     54 struct pckbc_rbuf_item {
     55 	int data;
     56 	int slot;
     57 };
     58 
     59 #define	PCKBC_RBUF_SIZE	32	/* number of rbuf entries */
     60 
     61 /*
     62  * external representation (pckbc_tag_t),
     63  * needed early for console operation
     64  */
     65 struct pckbc_internal {
     66 	pckbport_tag_t t_pt;
     67 	bus_space_tag_t t_iot;
     68 	bus_space_handle_t t_ioh_d, t_ioh_c; /* data port, cmd port */
     69 	bus_addr_t t_addr;
     70 	u_char t_cmdbyte; /* shadow */
     71 
     72 	int t_haveaux; /* controller has an aux port */
     73 	struct pckbc_slotdata *t_slotdata[PCKBC_NSLOTS];
     74 
     75 	struct pckbc_softc *t_sc; /* back pointer */
     76 
     77 	struct callout t_cleanup;
     78 
     79 	struct pckbc_rbuf_item rbuf[PCKBC_RBUF_SIZE];
     80 	int rbuf_read;
     81 	int rbuf_write;
     82 };
     83 
     84 typedef void (*pckbc_inputfcn) __P((void *, int));
     85 
     86 /*
     87  * State per device.
     88  */
     89 struct pckbc_softc {
     90 	struct device sc_dv;
     91 	struct pckbc_internal *id;
     92 
     93 	void (*intr_establish) __P((struct pckbc_softc *, pckbc_slot_t));
     94 };
     95 
     96 struct pckbc_attach_args {
     97 	pckbc_tag_t pa_tag;
     98 	pckbc_slot_t pa_slot;
     99 };
    100 
    101 extern const char * const pckbc_slot_names[];
    102 extern struct pckbc_internal pckbc_consdata;
    103 extern int pckbc_console_attached;
    104 
    105 /* These functions are sometimes called by match routines */
    106 int pckbc_send_cmd __P((bus_space_tag_t, bus_space_handle_t, u_char));
    107 int pckbc_poll_data1 __P((void *, pckbc_slot_t));
    108 
    109 /* More normal calls from attach routines */
    110 void pckbc_attach __P((struct pckbc_softc *));
    111 int pckbc_cnattach __P((bus_space_tag_t, bus_addr_t, bus_size_t,
    112 			pckbc_slot_t));
    113 int pckbc_is_console __P((bus_space_tag_t, bus_addr_t));
    114 int pckbcintr __P((void *));
    115 int pckbcintr_hard __P((void *));
    116 void pckbcintr_soft __P((void *));
    117 
    118 /* md hook for use without mi wscons */
    119 int pckbc_machdep_cnattach __P((pckbc_tag_t, pckbc_slot_t));
    120 
    121 #endif /* _DEV_IC_PCKBCVAR_H_ */
    122